What is stepper motor. What is its uses?

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what sort of general awareness questions are asked in o.n.g.c entrance exam?????????????????

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I want to replace the 3 KW DC motor with AC motor so what should be the rating of AC motor? Details Of DC motor to be changed with AC are - Kw - 3, Vf - 310, If - 0.15, Va - 400, Ia - 13, RPM - 2400

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how to compute kAIC?  with formulas...

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why usa use 60hz and 110v?

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why dc did not flows to earth?

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what is the accaptable voltage between neutral to earth & How to reduse the resistance of earth in chemical earthing

4 Answers  

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In a HT switchboard where Nos. of Transformers are connected, how to decide Incoming cable size? Whether Cable should be rated for connected load or maximum demand?

1 Answers   Power Grid,

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What is the voltage gain or transfer function of amplifier?

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7. A resistance of 30 ohm is connected across 240v supply. If a resistance R ohm is connected in parallel with 30ohm resistor across the same supply, the current drawn becomes triple of original one The unknown resistor R is

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what is swirl induction in i.c engine????????

1 Answers   Ashok Leyland,

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what is the use of buchzloys relay?

2 Answers  

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